Musk Ketone (4-tert-Butyl-2,6-Dimethyl-3,5-Dinitroacetophenone) from Canada
Musk ketone, chemically 4-tert-butyl-2,6-dimethyl-3,5-dinitroacetophenone, is a synthetic nitro-aromatic ketone used in perfumery for long-lasting musk fragrance. It qualifies for HTS 2914.79.10.00 as an explicitly named artificial musk, an aromatic nitrated ketone derivative.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare IFRA compliance and concentration limits due to regulatory scrutiny on nitro musks
• Provide GC-MS analysis to confirm identity and distinguish from mixtures
• Watch REACH/TSCA restrictions; document end-use as fragrance intermediate